.container {
    width: 100vw;
    height: 100vh;
    background: #369;
    display: flex;
    justify-content: center;
    align-items: center;
    .content {
      width: 500px;
      height: 220px;
      border: 1px solid #fff;
      h2{
        text-align: center;
        margin: 10px 0;
      }
      button {
        margin-left: 10px;
      }
    }
  }